# -*- coding: utf-8 -*-

"""

    rhodecode.lib.markup_renderer

    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    Renderer for markup languages with ability to parse using rst or markdown

    :created_on: Oct 27, 2011

    :author: marcink

    :copyright: (C) 2011-2012 Marcin Kuzminski <marcin@python-works.com>

    :license: GPLv3, see COPYING for more details.

"""

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import re

import logging

import traceback

from rhodecode.lib.utils2 import safe_unicode, MENTIONS_REGEX

log = logging.getLogger(__name__)

class MarkupRenderer(object):

    RESTRUCTUREDTEXT_DISALLOWED_DIRECTIVES = ['include', 'meta', 'raw']

    MARKDOWN_PAT = re.compile(r'md|mkdn?|mdown|markdown', re.IGNORECASE)

    RST_PAT = re.compile(r're?st', re.IGNORECASE)

    PLAIN_PAT = re.compile(r'readme', re.IGNORECASE)

    def __detect_renderer(self, source, filename=None):

        """

        runs detection of what renderer should be used for generating html

        from a markup language

        filename can be also explicitly a renderer name

        :param source:

        :param filename:

        """

        if MarkupRenderer.MARKDOWN_PAT.findall(filename):

            detected_renderer = 'markdown'

        elif MarkupRenderer.RST_PAT.findall(filename):

            detected_renderer = 'rst'

        elif MarkupRenderer.PLAIN_PAT.findall(filename):

            detected_renderer = 'rst'

        else:

            detected_renderer = 'plain'

        return getattr(MarkupRenderer, detected_renderer)

    def render(self, source, filename=None):

        """

        Renders a given filename using detected renderer

        it detects renderers based on file extension or mimetype.

        At last it will just do a simple html replacing new lines with <br/>

        :param file_name:

        :param source:

        """

        renderer = self.__detect_renderer(source, filename)

        readme_data = renderer(source)

        return readme_data

    @classmethod

    def plain(cls, source):

        source = safe_unicode(source)

        def urlify_text(text):

            url_pat = re.compile(r'(http[s]?://(?:[a-zA-Z]|[0-9]|[$-_@.&+]'

                                 '|[!*\(\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+)')

            def url_func(match_obj):

                url_full = match_obj.groups()[0]

                return '<a href="%(url)s">%(url)s</a>' % ({'url': url_full})

            return url_pat.sub(url_func, text)

        source = urlify_text(source)

        return '<br />' + source.replace("\n", '<br />')

    @classmethod

    def markdown(cls, source, safe=True):

        source = safe_unicode(source)

        try:

            import markdown as __markdown

        except ImportError:

            log.warning('Install markdown to use this function')

            return cls.plain(source)

        except Exception:

            log.error(traceback.format_exc())

            if safe:

                return source

            else:

                raise

    @classmethod

    def rst(cls, source, safe=True):

        source = safe_unicode(source)

        try:

            from docutils.core import publish_parts

            from docutils.parsers.rst import directives

            docutils_settings = dict([(alias, None) for alias in

                                cls.RESTRUCTUREDTEXT_DISALLOWED_DIRECTIVES])

            docutils_settings.update({'input_encoding': 'unicode',

                                      'report_level': 4})

            for k, v in docutils_settings.iteritems():

                directives.register_directive(k, v)

            parts = publish_parts(source=source,

                                  writer_name="html4css1",

                                  settings_overrides=docutils_settings)

            return parts['html_title'] + parts["fragment"]

        except ImportError:

            log.warning('Install docutils to use this function')

            return cls.plain(source)

        except Exception:

            log.error(traceback.format_exc())

            if safe:

                return source

            else:

                raise

    @classmethod

    def rst_with_mentions(cls, source):

        mention_pat = re.compile(MENTIONS_REGEX)

        def wrapp(match_obj):

            uname = match_obj.groups()[0]

            return ' **@%(uname)s** ' % {'uname': uname}

        mention_hl = mention_pat.sub(wrapp, source).strip()

        return cls.rst(mention_hl)

#content div.box div.form div.fields div.field div.select a:hover,#content div.box div.form div.fields div.field div.select a.ui-selectmenu:hover,#content div.box div.action a:hover

	{

	color: #000;

	text-decoration: none;

}

#content div.box div.form div.fields div.field div.select a.ui-selectmenu-focus,#content div.box div.action a.ui-selectmenu-focus

	{

	border: 1px solid #666;

}

#content div.box div.form div.fields div.field div.checkboxes div.checkbox,#content div.box div.form div.fields div.field div.radios div.radio

	{

	clear: both;

	overflow: hidden;

	margin: 0;

	padding: 8px 0 2px;

}

#content div.box div.form div.fields div.field div.checkboxes div.checkbox input,#content div.box div.form div.fields div.field div.radios div.radio input

	{

	float: left;

	margin: 0;

}

#content div.box div.form div.fields div.field div.checkboxes div.checkbox label,#content div.box div.form div.fields div.field div.radios div.radio label

	{

	height: 1%;

	display: block;

	float: left;

	margin: 2px 0 0 4px;

}

div.form div.fields div.field div.button input,

#content div.box div.form div.fields div.buttons input

div.form div.fields div.buttons input,

#content div.box div.action div.button input {

	/*color: #000;*/

    font-size: 11px;

    font-weight: 700;

    margin: 0;

}

input.ui-button {

	background: #e5e3e3 url("../images/button.png") repeat-x;

	border-top: 1px solid #DDD;

	border-left: 1px solid #c6c6c6;

	border-right: 1px solid #DDD;

	border-bottom: 1px solid #c6c6c6;

	color: #515151 !important;

	outline: none;

	margin: 0;

	padding: 6px 12px;

	-webkit-border-radius: 4px 4px 4px 4px;

	-khtml-border-radius: 4px 4px 4px 4px;

	-moz-border-radius: 4px 4px 4px 4px;

	border-radius: 4px 4px 4px 4px;

	box-shadow: 0 1px 0 #ececec;

	cursor: pointer;

}

input.ui-button:hover {

	background: #b4b4b4 url("../images/button_selected.png") repeat-x;

	border-top: 1px solid #ccc;

	border-left: 1px solid #bebebe;

	border-right: 1px solid #b1b1b1;

	border-bottom: 1px solid #afafaf;

}

div.form div.fields div.field div.highlight,#content div.box div.form div.fields div.buttons div.highlight

	{

	display: inline;

}

#content div.box div.form div.fields div.buttons,div.form div.fields div.buttons

	{

	margin: 10px 0 0 200px;

	padding: 0;

}

#content div.box-left div.form div.fields div.buttons,#content div.box-right div.form div.fields div.buttons,div.box-left div.form div.fields div.buttons,div.box-right div.form div.fields div.buttons

	{

	margin: 10px 0 0;

}

#content div.box table td.user,#content div.box table td.address {

	width: 10%;

	text-align: center;

}

#content div.box div.action div.button,#login div.form div.fields div.field div.input div.link,#register div.form div.fields div.field div.input div.link

	{

	text-align: right;

	margin: 6px 0 0;

	padding: 0;

}

#content div.box div.action div.button input.ui-state-hover,#login div.form div.fields div.buttons input.ui-state-hover,#register div.form div.fields div.buttons input.ui-state-hover

	{

	background: #b4b4b4 url("../images/button_selected.png") repeat-x;

	border-top: 1px solid #ccc;

	border-left: 1px solid #bebebe;

	border-right: 1px solid #b1b1b1;

	border-bottom: 1px solid #afafaf;

	color: #515151;

	margin: 0;

	padding: 6px 12px;

}

#content div.box div.pagination div.results,#content div.box div.pagination-wh div.results

	{

	text-align: left;

	float: left;

	margin: 0;

	padding: 0;

}

#content div.box div.pagination div.results span,#content div.box div.pagination-wh div.results span

	{

	height: 1%;

	display: block;

	float: left;

	background: #ebebeb url("../images/pager.png") repeat-x;

	border-top: 1px solid #dedede;

	border-left: 1px solid #cfcfcf;

	border-right: 1px solid #c4c4c4;

	border-bottom: 1px solid #c4c4c4;

	color: #4A4A4A;

	font-weight: 700;

	margin: 0;

	padding: 6px 8px;

}

#content div.box div.pagination ul.pager li.disabled,#content div.box div.pagination-wh a.disabled

	{

	color: #B4B4B4;

	padding: 6px;

}

#login,#register {

	width: 520px;

	margin: 10% auto 0;

	padding: 0;

}

#login div.color,#register div.color {

	clear: both;

	overflow: hidden;

	background: #FFF;

	margin: 10px auto 0;

	padding: 3px 3px 3px 0;

}

#login div.color a,#register div.color a {

	width: 20px;

	height: 20px;

	display: block;

	float: left;

	margin: 0 0 0 3px;

	padding: 0;

}

#login div.title h5,#register div.title h5 {

	color: #fff;

	margin: 10px;

	padding: 0;

}

#login div.form div.fields div.field,#register div.form div.fields div.field

	{

	clear: both;

	overflow: hidden;

	margin: 0;

	padding: 0 0 10px;

}

#login div.form div.fields div.field span.error-message,#register div.form div.fields div.field span.error-message

	{

	height: 1%;

	display: block;

	color: red;

	margin: 8px 0 0;

	padding: 0;

	max-width: 320px;

}

#login div.form div.fields div.field div.label label,#register div.form div.fields div.field div.label label

	{

	color: #000;

	font-weight: 700;

}

#login div.form div.fields div.field div.input,#register div.form div.fields div.field div.input

	{

	float: left;

	margin: 0;

	padding: 0;

}

#login div.form div.fields div.field div.checkbox,#register div.form div.fields div.field div.checkbox

	{

	margin: 0 0 0 184px;

	padding: 0;

}

#login div.form div.fields div.field div.checkbox label,#register div.form div.fields div.field div.checkbox label

	{

	color: #565656;

	font-weight: 700;

}

#login div.form div.fields div.buttons input,#register div.form div.fields div.buttons input

	{

	color: #000;

	font-size: 1em;

	font-weight: 700;

	margin: 0;

}

#changeset_content .container .wrapper,#graph_content .container .wrapper

	{

	width: 600px;

}

#changeset_content .container .left {

	float: left;

	width: 75%;

	padding-left: 5px;

}

#changeset_content .container .left .date,.ac .match {

	font-weight: 700;

	padding-top: 5px;

	padding-bottom: 5px;

}

div#legend_container table td,div#legend_choices table td {

	border: none !important;

	height: 20px !important;

	padding: 0 !important;

}

.q_filter_box {

	-webkit-box-shadow: rgba(0,0,0,0.07) 0 1px 2px inset;

	-webkit-border-radius: 4px;

	-moz-border-radius: 4px;

	border-radius: 4px;

    border: 0 none;

    color: #AAAAAA;

    margin-bottom: -4px;

    margin-top: -4px;

    padding-left: 3px;		

}

#node_filter {

	border: 0px solid #545454;

	color: #AAAAAA;

	padding-left: 3px;

}

.group_members_wrap{

	min-height: 85px;

	padding-left: 20px;

}

.group_members .group_member{

	height: 30px;

	padding:0px 0px 0px 0px;

}

.reviewers_member{

    height: 15px;

    padding:0px 0px 0px 10px;	

}

.emails_wrap{

	padding: 0px 20px;

}

.emails_wrap .email_entry{

    height: 30px;

    padding:0px 0px 0px 10px;

}

.emails_wrap .email_entry .email{

	float: left

}

.emails_wrap .email_entry .email_action{

	float: left

}

/*README STYLE*/

div.readme {

	padding:0px;

}

div.readme h2 {

    font-weight: normal;

}

div.readme .readme_box {

    background-color: #fafafa;

}

div.readme .readme_box {

clear:both;

overflow:hidden;

margin:0;

padding:0 20px 10px;

}

div.readme .readme_box h1, div.readme .readme_box h2, div.readme .readme_box h3, div.readme .readme_box h4, div.readme .readme_box h5, div.readme .readme_box h6 {

border-bottom: 0 !important;

margin: 0 !important;

padding: 0 !important;

line-height: 1.5em !important;

}

div.readme .readme_box h1:first-child {

padding-top: .25em !important;

}

div.readme .readme_box h2, div.readme .readme_box h3 {

margin: 1em 0 !important;

}

div.readme .readme_box h2 {

margin-top: 1.5em !important;

border-top: 4px solid #e0e0e0 !important;

padding-top: .5em !important;

}

div.readme .readme_box p {

color: black !important;

margin: 1em 0 !important;

line-height: 1.5em !important;

}

div.readme .readme_box ul {

list-style: disc !important;

margin: 1em 0 1em 2em !important;

}

div.readme .readme_box ol {

list-style: decimal;

margin: 1em 0 1em 2em !important;

}

div.readme .readme_box pre, code {

font: 12px "Bitstream Vera Sans Mono","Courier",monospace;

}

div.readme .readme_box code {

    font-size: 12px !important;

    background-color: ghostWhite !important;

    color: #444 !important;

    padding: 0 .2em !important;

    border: 1px solid #dedede !important;

}

div.readme .readme_box pre code {

	padding: 0 !important;

	font-size: 12px !important;

	background-color: #eee !important;

	border: none !important;

}

div.readme .readme_box pre {

	margin: 1em 0;

	font-size: 12px;

	background-color: #eee;

	border: 1px solid #ddd;

	padding: 5px;

	color: #444;

	overflow: auto;

	-webkit-box-shadow: rgba(0,0,0,0.07) 0 1px 2px inset;

	-webkit-border-radius: 3px;

	-moz-border-radius: 3px;

	border-radius: 3px;

}

/** RST STYLE **/

div.rst-block {

    padding:0px;

}

div.rst-block h2 {

    font-weight: normal;

}

div.rst-block  {

    background-color: #fafafa;

}

div.rst-block  {

clear:both;

overflow:hidden;

margin:0;

padding:0 20px 10px;

}

div.rst-block  h1, div.rst-block  h2, div.rst-block  h3, div.rst-block  h4, div.rst-block  h5, div.rst-block  h6 {

border-bottom: 0 !important;

margin: 0 !important;

padding: 0 !important;

line-height: 1.5em !important;

}

div.rst-block  h1:first-child {

padding-top: .25em !important;

}

div.rst-block  h2, div.rst-block  h3 {

margin: 1em 0 !important;

}

div.rst-block  h2 {

margin-top: 1.5em !important;

border-top: 4px solid #e0e0e0 !important;

padding-top: .5em !important;

}

div.rst-block  p {

color: black !important;

margin: 1em 0 !important;

line-height: 1.5em !important;

}

div.rst-block  ul {

list-style: disc !important;

margin: 1em 0 1em 2em !important;

}

div.rst-block  ol {

list-style: decimal;

margin: 1em 0 1em 2em !important;

}

div.rst-block  pre, code {

font: 12px "Bitstream Vera Sans Mono","Courier",monospace;

}

div.rst-block  code {

    font-size: 12px !important;

    background-color: ghostWhite !important;

    color: #444 !important;

    padding: 0 .2em !important;

    border: 1px solid #dedede !important;

}

div.rst-block  pre code {

    padding: 0 !important;

    font-size: 12px !important;

    background-color: #eee !important;

    border: none !important;

}

div.rst-block  pre {

    margin: 1em 0;

    font-size: 12px;

    background-color: #eee;

    border: 1px solid #ddd;

    padding: 5px;

    color: #444;

    overflow: auto;

    -webkit-box-shadow: rgba(0,0,0,0.07) 0 1px 2px inset;

    -webkit-border-radius: 3px;

    -moz-border-radius: 3px;

    border-radius: 3px;

}

/** comment main **/

.comments {

    padding:10px 20px;

}

.comments .comment {

    border: 1px solid #ddd;

    margin-top: 10px;

    -webkit-border-radius: 4px;

    -moz-border-radius: 4px;

    border-radius: 4px;    

}

.comments .comment .meta {

    background: #f8f8f8;

    padding: 4px;

    border-bottom: 1px solid #ddd;

    height: 18px;

}

.comments .comment .meta img {

    vertical-align: middle;

}

.comments .comment .meta .user {

    font-weight: bold;

    float: left;

    padding: 4px 2px 2px 2px;

}

.comments .comment .meta .date {

	float: left;

	padding:4px 4px 0px 4px;

}

.comments .comment .text {

    background-color: #FAFAFA;

}

.comment .text div.rst-block p {

	margin: 0.5em 0px !important;

}

.comments .comments-number{

	padding:0px 0px 10px 0px;

	font-weight: bold;

	color: #666;

	font-size: 16px;

}

/** comment form **/

.status-block{

    height:80px;

    clear:both	

}

.comment-form .clearfix{

	background: #EEE;

    -webkit-border-radius: 4px;

    -moz-border-radius: 4px;

    border-radius: 4px;

    padding: 10px;

}

div.comment-form {

    margin-top: 20px;

}

.comment-form strong {

    display: block;

    margin-bottom: 15px;

}

.comment-form textarea {

    width: 100%;

    height: 100px;

    font-family: 'Monaco', 'Courier', 'Courier New', monospace;

}

form.comment-form {

    margin-top: 10px;

    margin-left: 10px;

}

.comment-form-submit {

    margin-top: 5px;

    margin-left: 525px;

}

.file-comments {

    display: none;

}

.comment-form .comment {

    margin-left: 10px;

}

.comment-form .comment-help{

    padding: 0px 0px 5px 0px;

    color: #666;

}

.comment-form .comment-button{

	padding-top:5px;

}

.add-another-button {

    margin-left: 10px;

    margin-top: 10px;

    margin-bottom: 10px;

}

.comment .buttons {

	float: right;

	padding:2px 2px 0px 0px;

}

.show-inline-comments{

	position: relative;

	top:1px

}

/** comment inline form **/

.comment-inline-form .overlay{

	display: none;

}

.comment-inline-form .overlay.submitting{

	display:block;

    background: none repeat scroll 0 0 white;

    font-size: 16px;

    opacity: 0.5;

    position: absolute;

    text-align: center;

    vertical-align: top;

}

.comment-inline-form .overlay.submitting .overlay-text{

	width:100%;

	margin-top:5%;

}

.comment-inline-form .clearfix{